From patchwork Tue Sep 19 07:46:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dhruva Gole X-Patchwork-Id: 13390920 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4BC1BCD5497 for ; Tue, 19 Sep 2023 07:51:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229699AbjISHvX (ORCPT ); Tue, 19 Sep 2023 03:51:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230371AbjISHvV (ORCPT ); Tue, 19 Sep 2023 03:51:21 -0400 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29CEB10F; Tue, 19 Sep 2023 00:51:15 -0700 (PDT) Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 38J7p8tc095988; Tue, 19 Sep 2023 02:51:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1695109868; bh=91XuODQwmCtWYnSSTBcS0qNvMDSn/h7K7GVyq9zfEiU=; h=From:To:CC:Subject:Date; b=qzW3RWcW3FjrPcM1BJydKl9zeSQ/ogpyni2zDGyhsk6wweqPQPTYI8k8wkN6a4dlo SQDG6c2LNVMjfkyIQds0gTSrkTOw1j1vnptliYROq+LjLcWDoZ5bFjU9rQ/SlXfWzK 0/eL4v4zuwGhfjzNeY3oA9wTO2BdL/bDaQ24SrVc= Received: from DLEE102.ent.ti.com (dlee102.ent.ti.com [157.170.170.32]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 38J7p8rU127667 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 19 Sep 2023 02:51:08 -0500 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 19 Sep 2023 02:51:08 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Tue, 19 Sep 2023 02:51:07 -0500 Received: from dhruva.dhcp.ti.com (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 38J7p5Sg116649; Tue, 19 Sep 2023 02:51:06 -0500 From: Dhruva Gole To: Mark Brown CC: , , Vignesh Raghavendra , Dhruva Gole , kernel test robot , Dan Carpenter Subject: [PATCH V2] spi: spi-cadence-quadspi: Fix missing unwind goto warnings Date: Tue, 19 Sep 2023 13:16:59 +0530 Message-ID: <20230919074658.41666-1-d-gole@ti.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org The following smatch warnings [0] were recently introduced: drivers/spi/spi-cadence-quadspi.c:1882 cqspi_probe() warn: missing unwind goto? Fix these warnings by releasing dma channel and adding a goto fail probe. [0] https://lore.kernel.org/all/5e21c351-cd08-443e-8509-aecf242a4da9@kadam.mountain/ Fixes: 0578a6dbfe75 ("spi: spi-cadence-quadspi: add runtime pm support") Reported-by: kernel test robot Reported-by: Dan Carpenter Closes: https://lore.kernel.org/r/202309140543.03dMbMM5-lkp@intel.com/ Signed-off-by: Dhruva Gole --- Link to V1: https://lore.kernel.org/all/20230915123103.2493640-1-d-gole@ti.com/ Changelog: * added dma_release_channel * added a fixes tag. drivers/spi/spi-cadence-quadspi.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) base-commit: 21f252cd29f08892d48739fd7513ad79c1cff96a diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 4828da4587c5..3d7bf62da11c 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1878,8 +1878,11 @@ static int cqspi_probe(struct platform_device *pdev) } ret = devm_pm_runtime_enable(dev); - if (ret) - return ret; + if (ret) { + if (cqspi->rx_chan) + dma_release_channel(cqspi->rx_chan); + goto probe_setup_failed; + } pm_runtime_set_autosuspend_delay(dev, CQSPI_AUTOSUSPEND_TIMEOUT); pm_runtime_use_autosuspend(dev);